91 squared

91² = 91 × 91 = 8,281

To square a number, multiply it by itself. 91 squared is written 91² or 91^2, and the answer is 8,281.

How to work out 91 squared

Direct: 91 × 91 = 8,281.
From the previous square: 90² = 8,100, and 91² = 8,100 + (2 × 91 − 1) = 8,100 + 181 = 8,281.
Split the number: 91 = 90 + 1, so 91² = 90² + 2 × 90 × 1 + 1² = 8,100 + 180 + 1 = 8,281.

Related

91 cubed = 753,571
The square root of 8,281 is 91, so 8,281 is a perfect square.

Squares near 91

Number	Squared
87	7,569
88	7,744
89	7,921
90	8,100
92	8,464
93	8,649
94	8,836
95	9,025

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